noun
inning
IN-ing/ˈɪnɪŋ/
A division of a baseball game in which each team takes a turn batting.
The two teams exchange batting roles during the inning.

Etymology
Originally an action noun meaning ‘a taking or putting in,’ inning came to mean a team's turn in play. A complete baseball inning includes a turn at bat for each team.
In context
in the sixth inning I unfortunately grounded into a double play and in the ninth inning I drew a walk
More examples
- The game entered its ninth inning.
- Several innings passed without a run.
- Rain interrupted the final inning.
Forms
inning · innings